Citação norma APA

SpringerLink (Online service) & Zhelezov, G. (2011). Sustainable development in mountain regions: Southeastern Europe. Springer Science+Business.

Citação norma Chicago

SpringerLink (Online service) and Georgi Zhelezov. Sustainable Development in Mountain Regions: Southeastern Europe. Dordrecht: Springer Science+Business, 2011.

Citação norma MLA

SpringerLink (Online service) and Georgi Zhelezov. Sustainable Development in Mountain Regions: Southeastern Europe. Springer Science+Business, 2011.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.